from shapes import*
    
world = TurtleWorld()
klaus = Turtle()
    
    def showmenu():
    print "1: Square"
    print "2: Rectangle"
    print "3: Arc"
    print "4: Exit"
    print
    answer = raw_input("3:")
    return answer
    
def drawShape(t, option):
    if option == "1"
        size = raw_input("")
        height = input("")
        rect(t, length, height)
    else
        print""
        
def run():
    while true:
        opt = showMenu()
        if opt == "4":
            wait_for_user()
            exit()
        drawShape(klaus, opt)
run()